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1.5 Open Network Glossary xiii
Introduction
Term Explanation
IEIEJ Specifications Refers to the specifications established by the institute that determines them for the Japanese version of the
BACnet. (The international specifications must be certified, however, by ASRAE.)
The IEIEJ Specifications feature functions added onto the BACnet according to demand in the Japanese
market. Related discussions are currently being held with ASHRAE. The points of discussion are as follows:
1. Measurement: The data type used to calculate electric energy, heat and the like. This is absolutely
necessary in energy management.
2. Power demand: The method of determining the contract demand with electric power companies differs
with respect to the country. Accordingly, it is necessary in Japan to interpret the average electric power used
over 30 minutes as the maximum electricity demand.
3. Common data dissemination methods: Due to the common adoption of comprehensive monitoring
systems in Japan, it is necessary to have a system by which large volumes of disaster-related data can be
efficiently transmitted. This point has not been considered in the BACnet.
4. Collective objects: Devices that support several forms of data should be managed on a per device basis.
This will be proposed by the Japanese side (IEIEJ).
intelligent Manager III A centralized control system for VRV that can be connected to up to 1,024 indoor units. It features various
functions such as targeted power control function, fire alarm linkup, database maintenance and error
prediction (Air Conditioning Network Service System). These functions effectively make it BMS specialized
for air conditioning. Synonyms: i-Touch Controller, Air Conditioning Network Service System. i-Manager is
served as the specialized air-conditioning control system.
intelligent
Touch Controller Multi-function system management controller that allows you to operate and monitor up to 128 VRV indoor
units or 64 groups on colour LCD touch screen. It comes with functions that are combined with CRC, Unified
ON/OFF cobtroler and Schedule Timer. And it also includes applied functions such as electric power
distribution, Change Over Setting, Temperature Limit Setteing, Heating Optimization Settinfs. Furthermore,
this devise can be connected with LAN or public telephone line.
Interoperability Refers to the coordinated interlinking between related devices. An example of this is the control of lighting,
A/C, TV and the like with one R/C. If each of the respective companies involved uses a different protocol,
then they have to disclose their protocols and carry out discussions on several occasions to coordinate
efforts, which leads to an increase in costs. However, an open network essentially obviates such a situation
and allows machines manufactured by different companies to operate together without any problems. For
example, if A company's sensor breaks down, then it is possible to buy and install a product manufactured
by B company that will readily operate (interconnectivity). Different devices are, thus, able to communicate
and link up with each other.
iPU intelligent Processing Unit
Units for use of Intelligent Manager III
I/O INPUT/OUTPUT
Examples: Di (Digital input), Do (Digital output), Ai (Analog input), Ao (Analog output)
LON Local Operating Network
Refers to an intelligent distributed control network developed by the U.S. company, Echelon.
LONMARK The logo for products manufactured according to the guidelines established by the LONMARK Association.
LONMARK Refers to the LONMARK Interoperability Association.
The LONMARK Association is a nonprofit organization established to promote the use of LONWORKS. It
consists of some 350 companies from all over the world, including 19 from Japan.
The LONMARK Association was formed in order to create standard specifications for connection to LONs
between different vendors (companies).
LONMAKER Refers to the Echelon-developed tool (software) that allows installation commissioning (addressing), variable
binding, variable browsing (monitoring) and the like.
LONTALK Refers to the protocol used in LONs.
LONWORKS The generic term used to refer to the hardware, software, protocol and the like used to design, configure and
manage/service LONs.
Multi-vendor Refers to various machine/device manufacturers. The term 'multi-vendor environment' is also often used.
Network Variable The unit in which data are sent/received in communication between nodes. There are two types: network
variable input (nvi) and network variable output (nvo).
Neuron Chip Refers to a LON chip. It is the interface used to access the LON.